Impact Score: 5/10
Deno v2.7.13 โ Release Notes & Engineering Impact
Source available โ automated, not human-reviewed
Component: deno ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
โก Executive Summary (TL;DR)
Deno v2.7.13. Source highlight: feat(ext/node): implement node:repl module (#32799)
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
โจ New Features & Capabilities (3)
- feat(ext/node): implement node:repl module (#32799)
- feat(ext/node): rewrite node:http with llhttp and native TCPWrap (#33208)
- feat(upgrade): support installing from a PR (#33252)
โก Performance & Enhancements (5)
- perf(ext/node): elide async_hooks emit in timers when no hooks registered
- perf(ext/node): flush-free header fast path in HTTP parser (#33351)
- perf(ext/node): reduce writev op allocations and write copies (#33352)
- perf(libs/core): poll only ready handles and yield between I/O batches
- perf: reduce memory usage of Command.output() (#33335)
๐ง Bug Fixes & Patches (6)
- fix(audit): migrate to bulk advisory endpoint (#33292)
- fix(console): find nodejs.util.inspect.custom on Proxy objects via get trap
- fix(doc): Add Prism support for JSX/TSX code blocks (#33255)
- fix(ext/http): treat empty Host header as missing in request URL (#33234)
- fix(ext/napi): defer GC weak-callback finalizers to the event loop (#33260)
- fix(ext/napi): implement real V8 handle scopes and callback scopes (#33281)
๐ View Raw Release Notes (Original Developer Log)
### 2.7.13 / 2026.04.22
- feat(ext/node): implement node:repl module (#32799)
- feat(ext/node): rewrite node:http with llhttp and native TCPWrap (#33208)
- feat(upgrade): support installing from a PR (#33252)
- fix(audit): migrate to bulk advisory endpoint (#33292)
- fix(console): find nodejs.util.inspect.custom on Proxy objects via get trap
(#33265)
- fix(doc): Add Prism support for JSX/TSX code blocks (#33255)
- fix(ext/http): treat empty Host header as missing in request URL (#33234)
- fix(ext/napi): defer GC weak-callback finalizers to the event loop (#33260)
- fix(ext/napi): implement real V8 handle scopes and callback scopes (#33281)
- fix(ext/napi): implement zero-copy external Latin-1 strings (#33283)
- fix(ext/node): ChildProcess.kill() returns false when process already exited
(#33305)
- fix(ext/node): address node:http rewrite review comments (#33299)
- fix(ext/node): auto-start server-side STARTTLS handshake, add TLS upgrade
tests (#33303)
- fix(ext/node): defer JS stream encOut to avoid reentrant CppGC borrow (#33304)
- fix(ext/node): enable HTTP parser consume fast path (#33354)
- fix(ext/node): enforce maxHeaderSize in HTTP parser (#33306)
- fix(ext/node): fix EEXIST error and file corruption with writeFileSync on
Windows (#33253)
- fix(ext/node): fix Module._resolveLookupPaths and require.resolve compat
(#33261)
- fix(ext/node): fix multiple http2 bugs (#33315)
- fix(ext/node): fix playwright on windows (#33295)
- fix(ext/node): flush HTTP/2 HEADERS frame after client request (#33300)
- fix(ext/node): free uv_write and uv_shutdown requests in every exit path
(#33350)
- fix(ext/node): http client compat improvements (#33337)
- fix(ext/node): http2 improvements โ constants, error codes, settings,
validation (#33332)
- fix(ext/node): improve node:tls compat (validation, pipes, JS streams)
(#33331)
- fix(ext/node): support FD-indexed stdio inheritance in spawnSync (#33341)
- fix(ext/node): support RSA-PSS keys in crypto.verify with null algorithm
(#33314)
- fix(runtime): warn on unsupported web Worker options and fix recv panic
(#33310)
- fix(test): fix specific_canary upgrade test on Windows (#33286)
- fix: add note for canary's 30-day retention period (#33271)
- fix: restore glibc < 2.27 compatibility for Linux release builds (#33259)
- fix: update v8 crate to 147.2.1 (#33318)
- perf(ext/node): elide async_hooks emit in timers when no hooks registered
(#33355)
- perf(ext/node): flush-free header fast path in HTTP parser (#33351)
- perf(ext/node): reduce writev op allocations and write copies (#33352)
- perf(libs/core): poll only ready handles and yield between I/O batches
(#33349)
- perf: reduce memory usage of Command.output() (#33335)